Mercurial > octave
annotate liboctave/cruft/misc/f77-fcn.h @ 21202:f7121e111991
maint: indent #ifdef blocks in liboctave and src directories.
* Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc,
Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc,
Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, CSparse.h, DiagArray2.cc, MArray-C.cc,
MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc,
MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MSparse.h, MatrixType.cc,
PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc,
boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc,
dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc,
dSparse.cc, dSparse.h, dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc,
fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc,
fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc,
int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, intNDArray.cc,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc,
blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, quit.cc,
quit.h, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc, CmplxLU.cc,
CmplxQR.cc, CmplxQRP.cc, CmplxSCHUR.cc, CmplxSVD.cc, CollocWt.cc, DASPK.cc,
DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, base-lu.cc, base-qr.cc,
dbleAEPBAL.cc, dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc,
dbleQRP.cc, dbleSCHUR.cc, dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc,
fCmplxCHOL.cc, fCmplxGEPBAL.cc, fCmplxHESS.cc, fCmplxLU.cc, fCmplxQR.cc,
fCmplxQRP.cc, fCmplxSCHUR.cc, fCmplxSVD.cc, fEIG.cc, floatAEPBAL.cc,
floatCHOL.cc, floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc,
floatQRP.cc, floatSCHUR.cc, floatSVD.cc, lo-mappers.cc, lo-specfun.cc,
oct-convn.cc, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-rand.cc,
oct-spparms.cc, randgamma.c, randmtzig.c, randpoisson.c, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, mx-defs.h, dir-ops.cc,
file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc,
oct-group.cc, oct-openmp.h, oct-passwd.cc, oct-syscalls.cc, oct-time.cc,
oct-uname.cc, pathlen.h, sysdir.h, syswait.h, cmd-edit.cc, cmd-hist.cc,
data-conv.cc, f2c-main.c, glob-match.cc, lo-array-errwarn.cc,
lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-math.h,
lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-refcount.h, oct-rl-edit.c,
oct-rl-hist.c, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc,
sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc,
url-transfer.cc, display-available.h, main-cli.cc, main-gui.cc, main.in.cc,
mkoctfile.in.cc, octave-config.in.cc, shared-fcns.h:
indent #ifdef blocks in liboctave and src directories.
author | Rik <rik@octave.org> |
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date | Sat, 06 Feb 2016 06:40:13 -0800 |
parents | b433f9990452 |
children | 25150962bfd3 |
rev | line source |
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2544 | 1 /* |
2 | |
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3 Copyright (C) 1996-2015 John W. Eaton |
2544 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
2544 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2544 | 20 |
21 */ | |
22 | |
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23 #if ! defined (octave_f77_fcn_h) |
2544 | 24 #define octave_f77_fcn_h 1 |
25 | |
4268 | 26 #include "quit.h" |
27 | |
2544 | 28 #ifdef __cplusplus |
29 extern "C" { | |
30 #endif | |
31 | |
4153 | 32 /* Hack to stringize macro results. */ |
3887 | 33 #define xSTRINGIZE(x) #x |
34 #define STRINGIZE(x) xSTRINGIZE(x) | |
2544 | 35 |
36 /* How to print an error for the F77_XFCN macro. */ | |
37 | |
38 #define F77_XFCN_ERROR(f, F) \ | |
39 (*current_liboctave_error_handler) \ | |
3887 | 40 ("exception encountered in Fortran subroutine %s", \ |
41 STRINGIZE (F77_FUNC (f, F))) | |
2544 | 42 |
43 /* This can be used to call a Fortran subroutine that might call | |
4153 | 44 XSTOPX. XSTOPX will call lonjmp with current_context. Once back |
45 here, we'll restore the previous context and return. We may also | |
46 end up here if an interrupt is processed when the Fortran | |
47 subroutine is called. In that case, we resotre the context and go | |
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48 to the top level. */ |
2544 | 49 |
50 #define F77_XFCN(f, F, args) \ | |
51 do \ | |
52 { \ | |
4182 | 53 octave_jmp_buf saved_context; \ |
5767 | 54 sig_atomic_t saved_octave_interrupt_immediately = octave_interrupt_immediately; \ |
2544 | 55 f77_exception_encountered = 0; \ |
5760 | 56 octave_save_current_context (saved_context); \ |
4153 | 57 if (octave_set_current_context) \ |
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58 { \ |
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59 octave_interrupt_immediately = saved_octave_interrupt_immediately; \ |
5760 | 60 octave_restore_current_context (saved_context); \ |
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61 if (f77_exception_encountered) \ |
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62 F77_XFCN_ERROR (f, F); \ |
4153 | 63 else \ |
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64 octave_rethrow_exception (); \ |
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65 } \ |
2544 | 66 else \ |
4153 | 67 { \ |
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68 octave_interrupt_immediately++; \ |
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69 F77_FUNC (f, F) args; \ |
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70 octave_interrupt_immediately--; \ |
5760 | 71 octave_restore_current_context (saved_context); \ |
4153 | 72 } \ |
2544 | 73 } \ |
74 while (0) | |
75 | |
76 /* So we can check to see if an exception has occurred. */ | |
6107 | 77 CRUFT_API extern int f77_exception_encountered; |
2544 | 78 |
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79 #if ! defined (F77_FCN) |
3938 | 80 #define F77_FCN(f, F) F77_FUNC (f, F) |
81 #endif | |
82 | |
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83 /* |
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84 |
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85 The following macros are used for handling Fortran <-> C calling |
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86 conventions. They are defined below for three different types of |
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87 systems, Cray (possibly now obsolete), Visual Fortran, and any system |
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88 that is compatible with the f2c calling conventions, including g77 and |
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89 gfortran. Note that gfortran is not completely compatible with the |
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90 f2c calling conventions, but that we only use the parts that are |
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91 compatible. For example, f2c and gfortran differ in the way they |
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92 handle Fortran functions that return complex values, but Octave does |
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93 not call any Fortran functions like that directly from C or C++. |
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94 |
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95 Use these macros to pass character strings from C to Fortran: |
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96 |
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97 F77_CHAR_ARG(x) |
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98 F77_CONST_CHAR_ARG(x) |
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99 F77_CXX_STRING_ARG(x) |
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100 F77_CHAR_ARG_LEN(l) |
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101 F77_CHAR_ARG_DECL |
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102 F77_CONST_CHAR_ARG_DECL |
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103 F77_CHAR_ARG_LEN_DECL |
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104 |
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105 Use these macros to write C-language functions that accept |
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106 Fortran-style character strings: |
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107 |
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108 F77_CHAR_ARG_DEF(s, len) |
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109 F77_CONST_CHAR_ARG_DEF(s, len) |
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110 F77_CHAR_ARG_LEN_DEF(len) |
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111 F77_CHAR_ARG_USE(s) |
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112 F77_CHAR_ARG_LEN_USE(s, len) |
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113 |
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114 Use this macro to declare the return type of a C-language function |
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115 that is supposed to act like a Fortran subroutine: |
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116 |
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117 F77_RET_T int |
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118 |
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119 Use these macros to return from C-language functions that are supposed |
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120 to act like Fortran subroutines. F77_NORETURN is intended to be used |
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121 as the last statement of such a function that has been tagged with a |
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122 "noreturn" attribute. If the compiler supports the "noreturn" |
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123 attribute or if F77_RET_T is void, then it should expand to nothing so |
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124 that we avoid warnings about functions tagged as "noreturn" |
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125 containing a return statement. Otherwise, it should expand to a |
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126 statement that returns the given value so that we avoid warnings about |
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127 not returning a value from a function declared to return something. |
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128 |
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129 F77_RETURN(retval) |
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130 F77_NORETURN(retval) |
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131 |
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132 */ |
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133 |
4552 | 134 #if defined (F77_USES_CRAY_CALLING_CONVENTION) |
135 | |
136 #include <fortran.h> | |
6072 | 137 |
138 /* Use these macros to pass character strings from C to Fortran. */ | |
4552 | 139 #define F77_CHAR_ARG(x) octave_make_cray_ftn_ch_dsc (x, strlen (x)) |
140 #define F77_CONST_CHAR_ARG(x) \ | |
141 octave_make_cray_const_ftn_ch_dsc (x, strlen (x)) | |
4577 | 142 #define F77_CHAR_ARG2(x, l) octave_make_cray_ftn_ch_dsc (x, l) |
143 #define F77_CONST_CHAR_ARG2(x, l) octave_make_cray_const_ftn_ch_dsc (x, l) | |
4552 | 144 #define F77_CXX_STRING_ARG(x) \ |
145 octave_make_cray_const_ftn_ch_dsc (x.c_str (), x.length ()) | |
146 #define F77_CHAR_ARG_LEN(l) | |
4577 | 147 #define F77_CHAR_ARG_DECL octave_cray_ftn_ch_dsc |
148 #define F77_CONST_CHAR_ARG_DECL octave_cray_ftn_ch_dsc | |
4552 | 149 #define F77_CHAR_ARG_LEN_DECL |
6072 | 150 |
151 /* Use these macros to write C-language functions that accept | |
152 Fortran-style character strings. */ | |
153 #define F77_CHAR_ARG_DEF(s, len) octave_cray_ftn_ch_dsc s | |
154 #define F77_CONST_CHAR_ARG_DEF(s, len) octave_cray_ftn_ch_dsc s | |
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155 #define F77_CHAR_ARG_LEN_DEF(len) |
6072 | 156 #define F77_CHAR_ARG_USE(s) s.ptr |
157 #define F77_CHAR_ARG_LEN_USE(s, len) (s.mask.len>>3) | |
158 | |
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159 /* Use this macro to declare the return type of a C-language function |
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160 that is supposed to act like a Fortran subroutine. */ |
4552 | 161 #define F77_RET_T int |
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162 |
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163 /* Use these macros to return from C-language functions that are |
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164 supposed to act like Fortran subroutines. F77_NORETURN is intended |
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165 to be used as the last statement of such a function that has been |
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166 tagged with a "noreturn" attribute. */ |
4552 | 167 #define F77_RETURN(retval) return retval; |
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168 #if defined (HAVE_ATTR_NORETURN) |
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169 # define F77_NORETURN(retval) |
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170 #else |
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171 # define F77_NORETURN(retval) return retval; |
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172 #endif |
4552 | 173 |
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174 /* FIXME: These should work for SV1 or Y-MP systems but will |
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175 need to be changed for others. */ |
4552 | 176 |
4558 | 177 typedef union |
4552 | 178 { |
4558 | 179 const char *const_ptr; |
180 char *ptr; | |
4552 | 181 struct |
182 { | |
183 unsigned off : 6; | |
184 unsigned len : 26; | |
185 unsigned add : 32; | |
186 } mask; | |
4558 | 187 } octave_cray_descriptor; |
4552 | 188 |
189 typedef void *octave_cray_ftn_ch_dsc; | |
190 | |
4555 | 191 #ifdef __cplusplus |
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192 # define OCTAVE_F77_FCN_INLINE inline |
4558 | 193 #else |
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194 # define OCTAVE_F77_FCN_INLINE |
4555 | 195 #endif |
196 | |
197 static OCTAVE_F77_FCN_INLINE octave_cray_ftn_ch_dsc | |
4552 | 198 octave_make_cray_ftn_ch_dsc (char *ptr_arg, unsigned long len_arg) |
199 { | |
200 octave_cray_descriptor desc; | |
201 desc.ptr = ptr_arg; | |
202 desc.mask.len = len_arg << 3; | |
4558 | 203 return *((octave_cray_ftn_ch_dsc *) &desc); |
4552 | 204 } |
205 | |
4555 | 206 static OCTAVE_F77_FCN_INLINE octave_cray_ftn_ch_dsc |
4552 | 207 octave_make_cray_const_ftn_ch_dsc (const char *ptr_arg, unsigned long len_arg) |
208 { | |
209 octave_cray_descriptor desc; | |
210 desc.const_ptr = ptr_arg; | |
211 desc.mask.len = len_arg << 3; | |
4558 | 212 return *((octave_cray_ftn_ch_dsc *) &desc); |
4552 | 213 } |
214 | |
4555 | 215 #ifdef __cplusplus |
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216 # undef OCTAVE_F77_FCN_INLINE |
4555 | 217 #endif |
218 | |
4552 | 219 #elif defined (F77_USES_VISUAL_FORTRAN_CALLING_CONVENTION) |
220 | |
6072 | 221 /* Use these macros to pass character strings from C to Fortran. */ |
4552 | 222 #define F77_CHAR_ARG(x) x, strlen (x) |
223 #define F77_CONST_CHAR_ARG(x) F77_CHAR_ARG (x) | |
224 #define F77_CHAR_ARG2(x, l) x, l | |
225 #define F77_CONST_CHAR_ARG2(x, l) F77_CHAR_ARG2 (x, l) | |
226 #define F77_CXX_STRING_ARG(x) F77_CONST_CHAR_ARG2 (x.c_str (), x.length ()) | |
227 #define F77_CHAR_ARG_LEN(l) | |
228 #define F77_CHAR_ARG_DECL char *, int | |
229 #define F77_CONST_CHAR_ARG_DECL const char *, int | |
230 #define F77_CHAR_ARG_LEN_DECL | |
6072 | 231 |
232 #define F77_CHAR_ARG_DEF(s, len) char *s, int len | |
233 #define F77_CONST_CHAR_ARG_DEF(s, len) const char *s, int len | |
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234 #define F77_CHAR_ARG_LEN_DEF(len) |
6072 | 235 #define F77_CHAR_ARG_USE(s) s |
236 #define F77_CHAR_ARG_LEN_USE(s, len) len | |
237 | |
4552 | 238 #define F77_RET_T void |
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239 |
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240 #define F77_RETURN(retval) return; |
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241 #define F77_NORETURN(retval) |
4552 | 242 |
243 #else | |
244 | |
4572 | 245 /* Assume f2c-compatible calling convention. */ |
4552 | 246 |
247 #define F77_CHAR_ARG(x) x | |
248 #define F77_CONST_CHAR_ARG(x) F77_CHAR_ARG (x) | |
249 #define F77_CHAR_ARG2(x, l) x | |
250 #define F77_CONST_CHAR_ARG2(x, l) F77_CHAR_ARG2 (x, l) | |
251 #define F77_CXX_STRING_ARG(x) F77_CONST_CHAR_ARG2 (x.c_str (), x.length ()) | |
5760 | 252 #define F77_CHAR_ARG_LEN(l) , l |
4552 | 253 #define F77_CHAR_ARG_DECL char * |
254 #define F77_CONST_CHAR_ARG_DECL const char * | |
255 #define F77_CHAR_ARG_LEN_DECL , long | |
6072 | 256 |
257 #define F77_CHAR_ARG_DEF(s, len) char *s | |
258 #define F77_CONST_CHAR_ARG_DEF(s, len) const char *s | |
259 #define F77_CHAR_ARG_LEN_DEF(len) , long len | |
260 #define F77_CHAR_ARG_USE(s) s | |
261 #define F77_CHAR_ARG_LEN_USE(s, len) len | |
262 | |
4552 | 263 #define F77_RET_T int |
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264 |
4552 | 265 #define F77_RETURN(retval) return retval; |
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266 #if defined (HAVE_ATTR_NORETURN) |
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267 # define F77_NORETURN(retval) |
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268 #else |
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269 # define F77_NORETURN(retval) return retval; |
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270 #endif |
4552 | 271 |
272 #endif | |
273 | |
6072 | 274 |
275 /* Build a C string local variable CS from the Fortran string parameter S | |
276 declared as F77_CHAR_ARG_DEF(s, len) or F77_CONST_CHAR_ARG_DEF(s, len). | |
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277 The string will be cleaned up at the end of the current block. |
6072 | 278 Needs to include <cstring> and <vector>. */ |
279 | |
280 #define F77_CSTRING(s, len, cs) \ | |
6253 | 281 OCTAVE_LOCAL_BUFFER (char, cs, F77_CHAR_ARG_LEN_USE (s, len) + 1); \ |
6072 | 282 memcpy (cs, F77_CHAR_ARG_USE (s), F77_CHAR_ARG_LEN_USE (s, len)); \ |
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283 cs[F77_CHAR_ARG_LEN_USE(s, len)] = '\0' |
6072 | 284 |
285 | |
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286 OCTAVE_NORETURN CRUFT_API extern |
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287 F77_RET_T |
4801 | 288 F77_FUNC (xstopx, XSTOPX) (F77_CONST_CHAR_ARG_DECL |
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289 F77_CHAR_ARG_LEN_DECL); |
4552 | 290 |
2544 | 291 #ifdef __cplusplus |
292 } | |
293 #endif | |
294 | |
295 #endif |